Low Fuel Pressure on Buick?

Issue / Question:
The car is hard to start, if I push on the gas pedal it will start, when it is running it will pulse and almost quit, if I sit still with it in park it will stop running.

Answer:
It sounds like it may be low on fuel pressure. Have a fuel pressure test performed first if it looks ok have it scanned and look at the throttle position sensor data and see if it has a smooth transition without any drop offs on the voltage scale.

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